Physics & Astronomy
silicon nitrides
100%
waveguides
95%
photonics
86%
chips
85%
lasers
84%
semiconductor lasers
75%
wavelengths
69%
feedback circuits
69%
resonators
59%
tuning
48%
harmonic generations
45%
free electron lasers
39%
cavities
39%
bandwidth
37%
output
33%
laser cavities
32%
pulses
32%
rings
31%
pumps
31%
metrology
30%
Raman spectra
30%
four-wave mixing
29%
microscopy
28%
mirrors
27%
light sources
26%
retarding
25%
filters
24%
locking
24%
light amplifiers
23%
diffraction
23%
optical waveguides
22%
platforms
22%
parametric amplifiers
22%
idlers
21%
broadband
21%
stimulated emission
21%
waveguide lasers
21%
central processing units
20%
depletion
20%
microwaves
19%
gratings
19%
dielectric waveguides
18%
crystals
18%
photons
18%
phase matching
18%
phase modulation
17%
harmonics
17%
spatial resolution
17%
oscillators
16%
fibers
16%
Engineering & Materials Science
Waveguides
60%
Silicon nitride
59%
Photonics
58%
Supercontinuum generation
52%
Lasers
45%
Linewidth
36%
Four wave mixing
34%
Semiconductor lasers
34%
Optical parametric oscillators
27%
Laser tuning
23%
Resonators
22%
Wavelength
21%
Pulsed laser deposition
20%
Bandwidth
18%
Phase modulation
16%
Raman scattering
16%
Free electron lasers
15%
Feedback
14%
Laser resonators
14%
Microwaves
14%
Optical waveguides
13%
Tuning
13%
Saturable absorbers
13%
Light sources
13%
Plasmas
12%
Laser pulses
12%
Laser mode locking
11%
Dielectric waveguides
11%
Modulation
10%
Photonic crystals
10%
Excimer lasers
10%
Demonstrations
10%
Amplification
10%
Imaging techniques
10%
Ground state
10%
Laser modes
9%
Electrons
9%
Photons
9%
Networks (circuits)
9%
Linear networks
9%
Pumps
9%
Fluorescence
8%
Fiber optic networks
8%
Semiconductor materials
8%
Gases
7%
Silicon
7%
Microscopic examination
7%
Gas mixtures
7%
Oxidation
7%
Full width at half maximum
7%